福建连城赖源洞穴系统研究与旅游开发探讨

RESEARCH AND TOURISM EXPLORATION OF LAIYUAN'S CAVE SYSTEM IN LIANCHENG, FUJIAN PROVINCE

连城赖源洞穴系统发育于分布面积不及 2 km2、厚度不足 10 0 m的二叠系下统夹有燧石层的栖霞组灰岩中 ,洞穴形态不同于单一通道、树枝状通道、侧羽状通道形态特征 ,也与迷宫状洞穴系统以及成层状洞穴系统存在差异 ,是介于迷宫状和楼层状之间的类迷宫状洞穴系统。研究表明 ,该洞穴系统是一种处于有序动态变化的三维空间地域系统 ,既有空间展布形态和边界形态 ,又会随时间的变化而不断演化。洞穴系统水动力具有溶蚀作用、混合溶蚀作用、侵蚀作用的特征。在新构造运动影响下 ,经历了数次间歇性抬升 ,赖源洞穴最终发育为类迷宫状洞穴系统。该洞穴景观独特 ,有很高的旅游开发价值。

Laiyuan cave system in Liancheng was developed in the limestone of the lower Permian System.The limestone with flint layers cover less than 2km 2 and is less than 100m in thickness. The shape of the caves is different from that of single passages, arborescent passages and feather passages, also from maze cave systems and layered systems.It is a mazelike cave system between maze and layered type. The cave is a system of three-dimensional space which is changing in a dynamic state in order.It has both the out-spread shape in space and marginal shape, evolving constantly. The cave system has such hydrodynamic conditions as corrosion, mixed-corrosion and erosion, and it has been affected by the neotectonic movement and intermittently uplifted for many times, so such mazelike cave system was eventually formed. Because of its peculiarity, the cave is of high value for tourism exploration.